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A federal appeals court on Wednesday said the authorities do not need a probable-cause warrant to track a suspect’s every move via GPS signals from a suspect’s mobile phone.
The decision, a big boost for the government’s surveillance powers, comes as prosecutors are shifting their focus to warrantless cell-tower location tracking of suspects in the wake of a Supreme Court ruling in January sharply limiting the use of GPS vehicle trackers. The Supreme Court found law enforcement should acquire probable-cause warrants from judges to affix GPS devices to vehicles and monitor their every
There are two ways to track a cell phone location. Using the built in GPS tracking chip is the accurate method and with some phones you may be able to turn that off and still use the phone.
Originally posted by inverslyproportional
That's why molst smart phones have security features built in, like the ability to wipe your phone in less than 5 seconds, and the ability to turn off your GPS tracking chip, customers demand this stuff, so company's provide it, just check to make sure you get the right ones. That's why they culdnt GPS the bare foot bandit, he had a phone that can't be GPS tracked unless you let them.
Mobile phone tracking refers to the attaining of the current position of a mobile phone, stationary or moving. Localization may occur either via multilateration of radio signals between (several) radio towers of the network and the phone, or simply via GPS.
So much for consent after reading the OP.
Locating or positioning touches upon delicate privacy issues, since it enables someone to check where a person is without the person's consent. Strict ethics and security measures are strongly recommended for services that employ positioning, and the user must give an informed, explicit consent to a service provider before the service provider can compute positioning data from the user's mobile phone.
Eavesdropping on local conversations while the phone is switched off? Can they do this without a warrant also?
Officially, the authorities (like the police) can obtain permission to position phones in emergency cases where people (including criminals) are missing. The U.S. Justice Department has argued that current laws allow them to track suspects without having probable cause to suspect a law is being violated. In some instances law enforcement may even access a mobile phone's internal microphone to eavesdrop on local conversations while the phone is switched off.